EP2935800A4 - Fluidsteuerung mit veränderlicher äusserer luftdichtung - Google Patents

Fluidsteuerung mit veränderlicher äusserer luftdichtung

Info

Publication number
EP2935800A4
EP2935800A4 EP13866444.6A EP13866444A EP2935800A4 EP 2935800 A4 EP2935800 A4 EP 2935800A4 EP 13866444 A EP13866444 A EP 13866444A EP 2935800 A4 EP2935800 A4 EP 2935800A4
Authority
EP
European Patent Office
Prior art keywords
fluid control
outer air
air seal
seal fluid
variable outer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13866444.6A
Other languages
English (en)
French (fr)
Other versions
EP2935800A1 (de
EP2935800B1 (de
Inventor
Meggan Harris
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of EP2935800A1 publication Critical patent/EP2935800A1/de
Publication of EP2935800A4 publication Critical patent/EP2935800A4/de
Application granted granted Critical
Publication of EP2935800B1 publication Critical patent/EP2935800B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/28—Arrangement of seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/22—Actively adjusting tip-clearance by mechanically actuating the stator or rotor components, e.g. moving shroud sections relative to the rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
    • F01D11/20—Actively adjusting tip-clearance
    • F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP13866444.6A 2012-12-20 2013-11-22 Fluidsteuerung mit veränderlicher äusserer luftdichtung Active EP2935800B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/721,369 US9255524B2 (en) 2012-12-20 2012-12-20 Variable outer air seal fluid control
PCT/US2013/071411 WO2014099259A1 (en) 2012-12-20 2013-11-22 Variable outer air seal fluid control

Publications (3)

Publication Number Publication Date
EP2935800A1 EP2935800A1 (de) 2015-10-28
EP2935800A4 true EP2935800A4 (de) 2016-01-27
EP2935800B1 EP2935800B1 (de) 2019-01-02

Family

ID=50979007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13866444.6A Active EP2935800B1 (de) 2012-12-20 2013-11-22 Fluidsteuerung mit veränderlicher äusserer luftdichtung

Country Status (3)

Country Link
US (1) US9255524B2 (de)
EP (1) EP2935800B1 (de)
WO (1) WO2014099259A1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0808991A2 (de) * 1996-05-24 1997-11-26 ROLLS-ROYCE plc Spitzspielkontrolle für Turbomaschinen
DE19855130A1 (de) * 1998-11-30 2000-05-31 Abb Alstom Power Ch Ag Kühlbarer Mantel einer Gasturbine oder dergleichen
EP1655455A1 (de) * 2004-11-05 2006-05-10 Siemens Aktiengesellschaft Strömungsmaschine mit einem verstellbaren Leitschaufelträger zur Radialspalteinstellung
US7665961B2 (en) * 2006-11-28 2010-02-23 United Technologies Corporation Turbine outer air seal
US20110182724A1 (en) * 2010-01-26 2011-07-28 Mitsubishi Heavy Industries, Ltd. Cooling system of ring segment and gas turbine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5609469A (en) 1995-11-22 1997-03-11 United Technologies Corporation Rotor assembly shroud
US6877952B2 (en) 2002-09-09 2005-04-12 Florida Turbine Technologies, Inc Passive clearance control
US7032835B2 (en) 2004-01-28 2006-04-25 United Technologies Corporation Convergent/divergent nozzle with modulated cooling
US9039358B2 (en) 2007-01-03 2015-05-26 United Technologies Corporation Replaceable blade outer air seal design
US20090110546A1 (en) 2007-10-29 2009-04-30 United Technologies Corp. Feather Seals and Gas Turbine Engine Systems Involving Such Seals
US20110044803A1 (en) 2009-08-18 2011-02-24 Pratt & Whitney Canada Corp. Blade outer air seal anti-rotation
US20110293407A1 (en) 2010-06-01 2011-12-01 Wagner Joel H Seal and airfoil tip clearance control

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0808991A2 (de) * 1996-05-24 1997-11-26 ROLLS-ROYCE plc Spitzspielkontrolle für Turbomaschinen
DE19855130A1 (de) * 1998-11-30 2000-05-31 Abb Alstom Power Ch Ag Kühlbarer Mantel einer Gasturbine oder dergleichen
EP1655455A1 (de) * 2004-11-05 2006-05-10 Siemens Aktiengesellschaft Strömungsmaschine mit einem verstellbaren Leitschaufelträger zur Radialspalteinstellung
US7665961B2 (en) * 2006-11-28 2010-02-23 United Technologies Corporation Turbine outer air seal
US20110182724A1 (en) * 2010-01-26 2011-07-28 Mitsubishi Heavy Industries, Ltd. Cooling system of ring segment and gas turbine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014099259A1 *

Also Published As

Publication number Publication date
US20140212276A1 (en) 2014-07-31
WO2014099259A1 (en) 2014-06-26
EP2935800A1 (de) 2015-10-28
EP2935800B1 (de) 2019-01-02
US9255524B2 (en) 2016-02-09

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